321384089 has 6 divisors (see below), whose sum is σ = 348007806. Its totient is φ = 296662080.

The previous prime is 321384079. The next prime is 321384097. The reversal of 321384089 is 980483123.

It can be written as a sum of positive squares in 3 ways, for example, as 38875225 + 282508864 = 6235^2 + 16808^2 .

It is not a de Polignac number, because 321384089 - 2¹⁶ = 321318553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321384029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 950672 + ... + 951009.

It is an arithmetic number, because the mean of its divisors is an integer number (58001301).

Almost surely, 2^321384089 is an apocalyptic number.

It is an amenable number.

321384089 is a deficient number, since it is larger than the sum of its proper divisors (26623717).

321384089 is a wasteful number, since it uses less digits than its factorization.

321384089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901707 (or 1901694 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 321384089 is about 17927.1885414306. The cubic root of 321384089 is about 684.9751098278.

The spelling of 321384089 in words is "three hundred twenty-one million, three hundred eighty-four thousand, eighty-nine".